ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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{ "@context": [ "https://www.w3.org/ns/activitystreams", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "litepub": "http://litepub.social/ns#", "directMessage": "litepub:directMessage", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://infosec.exchange/users/mruef/statuses/114744153065472180", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-25T13:07:07Z", "url": "https://infosec.exchange/@mruef/114744153065472180", "attributedTo": "https://infosec.exchange/users/mruef", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://infosec.exchange/users/mruef/followers" ], "sensitive": false, "atomUri": "https://infosec.exchange/users/mruef/statuses/114744153065472180", "inReplyToAtomUri": null, "conversation": "tag:infosec.exchange,2025-06-25:objectId=284853161:objectType=Conversation", "content": "<p>I really don&#39;t like ChatGPT&#39;s new memory dossier <a href=\"https://infosec.exchange/tags/vulnerability\" class=\"mention hashtag\" rel=\"tag\">#<span>vulnerability</span></a> <a href=\"https://infosec.exchange/tags/dos\" class=\"mention hashtag\" rel=\"tag\">#<span>dos</span></a> <a href=\"https://simonwillison.net/2025/May/21/chatgpt-new-memory/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">simonwillison.net/2025/May/21/</span><span class=\"invisible\">chatgpt-new-memory/</span></a></p>", "contentMap": { "en": "<p>I really don&#39;t like ChatGPT&#39;s new memory dossier <a href=\"https://infosec.exchange/tags/vulnerability\" class=\"mention hashtag\" rel=\"tag\">#<span>vulnerability</span></a> <a href=\"https://infosec.exchange/tags/dos\" class=\"mention hashtag\" rel=\"tag\">#<span>dos</span></a> <a href=\"https://simonwillison.net/2025/May/21/chatgpt-new-memory/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">simonwillison.net/2025/May/21/</span><span class=\"invisible\">chatgpt-new-memory/</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://media.infosec.exchange/infosec.exchange/media_attachments/files/114/744/153/002/057/517/original/f117b8f1551cb88e.jpeg", "name": null, "blurhash": "UDS6SuIo~W%M%2oeRjWC-pj@NGjut7ayWBf7", "width": 1200, "height": 600 } ], "tag": [ { "type": "Hashtag", "href": "https://infosec.exchange/tags/vulnerability", "name": "#vulnerability" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/dos", "name": "#dos" } ], "replies": { "id": "https://infosec.exchange/users/mruef/statuses/114744153065472180/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://infosec.exchange/users/mruef/statuses/114744153065472180/replies?only_other_accounts=true&page=true", "partOf": "https://infosec.exchange/users/mruef/statuses/114744153065472180/replies", "items": [] } }, "likes": { "id": "https://infosec.exchange/users/mruef/statuses/114744153065472180/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://infosec.exchange/users/mruef/statuses/114744153065472180/shares", "type": "Collection", "totalItems": 1 } }